Use current information or tools · Everyday work · Solve problems or code
Family limitations
Closed weights and provider-controlled data/tool access.
Published ranking signals
1 · User preference
Verify the exact version before choosing: capabilities, price, context limits, latency, tools, and regional availability can differ by provider access path.
Model family
Family-level guidance
The following summary describes the broader model family from official positioning. It is not a measured result for this exact version.
G4
Model family: Grok
Grok
xAI's proprietary family for reasoning, tool use, multimodal input, and live-data workflows.
Use current information or toolsEveryday workSolve problems or codeWork with images or audio
Managed models include tool and real-time information paths. Provides general, reasoning, coding, and multimodal variants.
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Family limitations
Closed weights and provider-controlled data/tool access. Observed quality depends on the exact model and enabled tools.
Verify the exact version before choosing: capabilities, price, context limits, latency, tools, and regional availability can differ by provider access path.
Provider documentation and OpenGPT catalog classification are labeled separately.
Version differences
Compare two catalog model IDs from one model family. Provider IDs, sources and published ranking signals are shown; OpenGPT catalog classification is labeled separately.
Grok 4.20 · reasoning snapshot / Grok 4.5
Version differences
Grok 4.20 · reasoning snapshot
Grok 4.5
Official model ID
grok-4.20-0309-reasoning
grok-4.5
Directory status
Stable
Stable
OpenGPT catalog role
Reasoning
Flagship
Current public ranking signals
User preference 31 · 1472
User preference 35 · 1468 · Cost per success 10 · $0.1305
OpenGPTEvidence-based model decisions